1.8 Batteries
1 Hardware Overview
PORTEGE M100 Maintenance Manual (960 -452)
1-19
1.8.3 Battery Charging Control
Battery charging is controlled by a power supply microprocessor mounted on the system
board. The power supply microprocessor controls whether the charge is on or off and detects
a full charge when the AC adaptor and battery (both Main battery and 2
nd
battery) are
attached to the computer. The system charges the battery using quick charge or trickle charge.
q
Battery Charge
When the AC adaptor is attached, battery Charge starts.
The times required for quick charges are listed in Table 1-8.
Table 1-8 Time required for quick charges
Charging time
Status
Main Battery
2
nd
Battery
Power off
2.5 hours
2.5 hours
Power on
4 to 12 hours or longer
4 to 12 hours or longer
NOTE:
The time required for quick charge when power is on is affected by the amount of
power the system is consuming. Use of the fluorescent lamp and frequent disk
access consumes power and lengthens the charge time.
If any of the following occurs, the battery charge process stops.
1.
The battery becomes fully charged.
2.
The AC adaptor or battery is removed.
3.
The AC adaptor or battery voltage is abnormal
4.
The charging current is abnormal.
Summary of Contents for Portege M100
Page 8: ...viii PORTEGE M100 Maintenance Manual 960 452 3 29 IEEE1394 Test Program 3 91 ...
Page 11: ...PORTEGE M100 Maintenance Manual 960 452 xi ...
Page 12: ...Chapter 1 Hardware Overview ...
Page 13: ...1 Hardware Overview 1 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 42: ...2 Troubleshooting Procedures PORTEGE M100 Maintenance Manual 960 452 2 vii ...
Page 102: ...Chapter 3 Tests and Diagnostics ...
Page 103: ...3 Tests and Diagnostics 3 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 107: ...3 Tests and Diagnostics 3 vi PORTEGE M100 Maintenance Manual 960 452 ...
Page 140: ...3 Tests and Diagnostics 3 14 Expansion Test 3 32 PORTEGE M100 Maintenance Manual 960 452 ...
Page 160: ...3 23 SETUP 3 Tests and Diagnostics PORTEGE M100 Maintenance Manual 960 452 3 51 13 PC Card ...
Page 204: ...Chapter 4 Replacement Procedures ...
Page 205: ...4 Replacement Procedures 4 ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 313: ...Appendices Appendices ...
Page 314: ...Appendices App ii PORTEGE M100 Maintenance Manual 960 452 ...
Page 320: ...Appendices App viii PORTEGE M100 Maintenance Manual 960 452 ...
Page 326: ...Appendices Appendix A Handling the LCD Module A 6 PORTEGE M100 Maintenance Manual 960 452 ...
Page 336: ...Appendices Appendix B Board Layout B 10 PORTEGE M100 Maintenance Manual 960 452 ...
Page 382: ...Appendices Appendix G BIOS Rewrite Procedures G 2 PORTEGE M100 Maintenance Manual 960 452 ...
Page 384: ...Appendices Appendix H EC KBC Rewrite Procedures H 2 PORTEGE M100 Maintenance Manual 960 452 ...
Page 386: ...Appendices Appendix I Reliability I 2 PORTEGE M100 Maintenance Manual 960 452 ...